Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A plagioclase feldspar, the fifth member of the Albite-Anorthite solid solution series. Bytownite is rare, and normally occurs in small grains in lime-rich igneous rocks. Clear pale yellow crystals have come from Mexico and Oregon.

from The Century Dictionary and Cyclopedia

  • n. A kind of feldspar from Bytown (now Ottawa), Canada, intermediate between anorthite and labradorite.

Etymologies

Bytown +‎ -ite, named for the type locality in Bytown, Canada, but this locality was later discredited. The name, however, was kept. (Wiktionary)

Examples

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.